public void GenerateAuxShaders(string name, string path, List <string> keywords)
{
var exts = new List <FeatureDescriptor> (extensions); // prevent recursive access due to init
foreach (var e in exts)
{
var aux = e.GetAuxShader();
if (aux != null)
{
if (keywords.Contains(aux.trigger))
{
var okeys = new List <string> (keywords);
// remove all other trigger keywords
foreach (var oe in exts)
{
if (oe != e)
{
var oaux = oe.GetAuxShader();
if (oaux != null)
{
okeys.Remove(oaux.trigger);
}
}
}
string opath = path.Replace(".shader", aux.extension + ".shader");
e.ModifyKeywordsForAuxShader(okeys);
var shader = this.Compile(okeys.ToArray(), name, null, aux);
MicroSplatUtilities.Checkout(opath);
System.IO.File.WriteAllText(opath, shader);
}
}
}
}
public void Compile(Material m, string shaderName = null)
{
int hash = 0;
MicroSplatKeywords keywords = MicroSplatUtilities.FindOrCreateKeywords(m);
for (int i = 0; i < keywords.keywords.Count; ++i)
{
hash += 31 + keywords.keywords [i].GetHashCode();
}
var path = AssetDatabase.GetAssetPath(m.shader);
string nm = m.shader.name;
if (!string.IsNullOrEmpty(shaderName))
{
nm = shaderName;
}
string baseName = "Hidden/" + nm + "_Base" + hash.ToString();
string terrainShader = Compile(keywords.keywords.ToArray(), nm, baseName);
if (renderLoop != null)
{
keywords.EnableKeyword(renderLoop.GetRenderLoopKeyword());
}
GenerateAuxShaders(nm, path, keywords.keywords);
MicroSplatUtilities.Checkout(path);
System.IO.File.WriteAllText(path, terrainShader);
if (!keywords.IsKeywordEnabled("_MICROMESH") && !keywords.IsKeywordEnabled("_MICROVERTEXMESH") && !keywords.IsKeywordEnabled("_MEGASPLAT") && !keywords.IsKeywordEnabled("_MICROTERRAINMESH"))
{
// generate fallback
string[] oldKeywords = new string[keywords.keywords.Count];
System.Array.Copy(keywords.keywords.ToArray(), oldKeywords, keywords.keywords.Count);
keywords.DisableKeyword("_TESSDISTANCE");
keywords.DisableKeyword("_PARALLAX");
keywords.DisableKeyword("_DETAILNOISE");
keywords.EnableKeyword("_MICROSPLATBASEMAP");
string fallback = Compile(keywords.keywords.ToArray(), baseName);
keywords.keywords = new List <string> (oldKeywords);
string fallbackPath = path.Replace(".shader", "_Base.shader");
MicroSplatUtilities.Checkout(fallbackPath);
System.IO.File.WriteAllText(fallbackPath, fallback);
}
EditorUtility.SetDirty(m);
AssetDatabase.Refresh();
#if __MICROSPLAT_MESH__
MicroSplatMesh.ClearMaterialCache();
#endif
MicroSplatObject.SyncAll();
}
public void Compile(Material m, string shaderName = null)
{
int hash = 0;
MicroSplatKeywords keywords = MicroSplatUtilities.FindOrCreateKeywords(m);
for (int i = 0; i < keywords.keywords.Count; ++i)
{
hash += 31 + keywords.keywords [i].GetHashCode();
}
var path = AssetDatabase.GetAssetPath(m.shader);
string nm = m.shader.name;
if (!string.IsNullOrEmpty(shaderName))
{
nm = shaderName;
}
string baseName = "Hidden/" + nm + "_Base" + hash.ToString();
string terrainShader = Compile(keywords.keywords.ToArray(), nm, baseName);
if (renderLoop != null)
{
keywords.EnableKeyword(renderLoop.GetRenderLoopKeyword());
}
string blendShader = null;
// strip extra feature from terrain blending to make it cheaper
if (keywords.IsKeywordEnabled("_TERRAINBLENDING"))
{
List <string> blendKeywords = new List <string> (keywords.keywords);
if (keywords.IsKeywordEnabled("_TBDISABLE_DETAILNOISE") && blendKeywords.Contains("_DETAILNOISE"))
{
blendKeywords.Remove("_DETAILNOISE");
}
if (keywords.IsKeywordEnabled("_TBDISABLE_DETAILNOISE") && blendKeywords.Contains("_ANTITILEARRAYDETAIL"))
{
blendKeywords.Remove("_ANTITILEARRAYDETAIL");
}
if (keywords.IsKeywordEnabled("_TBDISABLE_DISTANCENOISE") && blendKeywords.Contains("_DISTANCENOISE"))
{
blendKeywords.Remove("_DISTANCENOISE");
}
if (keywords.IsKeywordEnabled("_TBDISABLE_DISTANCENOISE") && blendKeywords.Contains("_ANTITILEARRAYDISTANCE"))
{
blendKeywords.Remove("_ANTITILEARRAYDISTANCE");
}
if (keywords.IsKeywordEnabled("_TBDISABLE_DISTANCERESAMPLE") && blendKeywords.Contains("_DISTANCERESAMPLE"))
{
blendKeywords.Remove("_DISTANCERESAMPLE");
}
blendShader = Compile(blendKeywords.ToArray(), nm, null, true);
}
string meshBlendShader = null;
if (keywords.IsKeywordEnabled("_MESHOVERLAYSPLATS"))
{
List <string> blendKeywords = new List <string> (keywords.keywords);
if (blendKeywords.Contains("_TESSDISTANCE"))
{
blendKeywords.Remove("_TESSDISTANCE");
}
meshBlendShader = Compile(blendKeywords.ToArray(), nm, null, true);
}
MicroSplatUtilities.Checkout(path);
System.IO.File.WriteAllText(path, terrainShader);
if (!keywords.IsKeywordEnabled("_MICROMESH"))
{
// generate fallback
string[] oldKeywords = new string[keywords.keywords.Count];
System.Array.Copy(keywords.keywords.ToArray(), oldKeywords, keywords.keywords.Count);
keywords.DisableKeyword("_TESSDISTANCE");
keywords.DisableKeyword("_PARALLAX");
keywords.DisableKeyword("_DETAILNOISE");
keywords.EnableKeyword("_MICROSPLATBASEMAP");
string fallback = Compile(keywords.keywords.ToArray(), baseName);
keywords.keywords = new List <string> (oldKeywords);
string fallbackPath = path.Replace(".shader", "_Base.shader");
MicroSplatUtilities.Checkout(fallbackPath);
System.IO.File.WriteAllText(fallbackPath, fallback);
}
string terrainBlendPath = path.Replace(".shader", "_TerrainObjectBlend.shader");
string meshBlendPath = path.Replace(".shader", "_MeshOverlay.shader");
if (blendShader != null)
{
MicroSplatUtilities.Checkout(terrainBlendPath);
System.IO.File.WriteAllText(terrainBlendPath, blendShader);
}
if (meshBlendShader != null)
{
MicroSplatUtilities.Checkout(meshBlendPath);
System.IO.File.WriteAllText(meshBlendPath, meshBlendShader);
}
EditorUtility.SetDirty(m);
AssetDatabase.Refresh();
MicroSplatObject.SyncAll();
}